Zipf GK.Human Behavior and the Principle of Least Effort[M].Reading,Mass:Addison-Wesley,1949.
[2]
张济忠.分形[M].北京:清华大学出版社,1995.
[3]
Steindl J.Size distribution in economics.In:International Encyclope- dia of the Social Sciences,Vol.14[C],edited by Silks.New York:Macmillan and Free Press,1968.297-298.
[4]
Mandelbrot BB.A class of long-tailed probability distributions and the empirical distribution of city sizes.In:Mathematical Explorations in Behavioral Science[C],edited by Massarik and Ratoosh.Homewood,Ill:Richard D.Irwin and the Dorsey Press,1965.272-274.
[5]
Davis K.World Urbanization:1950-1970.In:Systems of Cities[C],edited by Bourne and Simmons.New York: Oxford University Press,1978.92-100.